import random
def randomMac():
macstring = "0123456789abcdef"*12
macstringlist=random.sample(macstring,12)
return "{0[0]}{0[1]}:{0[2]}{0[3]}:{0[4]}{0[5]}:{0[6]}{0[7]}:{0[8]}{0[9]}:{0[10]}{0[11]}".format(macstringlist)
print randomMac()
def randomIP():
a= random.sample(range(1,256)*4, 4)
b= map(str,a)
return '.'.join(b)
print randomIP()